The T-8S83U-10 from Teledyne Microwave Solutions is a RF & Microwave Isolator with Frequency 8 to 20 GHz, Average Power Forward 50 W, Average Power Reverse 2 W, Insertion Loss 1.1 dB, Isolation 14 dB. Tags: Module with Connector, Coaxial Isolator. More details for T-8S83U-10 can be seen below.